269 Commits

Author SHA1 Message Date
Frank Barchard
f1c9b58986 clang format and bump version
Bug: None
Change-Id: I6a482d5c538b113549b88e820473af644d6d3704
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8467772
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-09-28 10:42:45 -07:00
Frank Barchard
2fcc1272dd Convert8To16 takes bits instead of scale.
- NV16/24 FOURCC and document
- Rotate take uint8* for ubsan

Bug: 537818862
Change-Id: I2bc7109abaffe2464e031e33c22296c007077d82
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8339427
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-09-01 16:07:23 -07:00
Frank Barchard
af714f0810 Convert8To16 use shift to allow scale=65536
- Add avx512bw, neon 32 bit and RVV versions
- Adapt SSE2 to psrlw instead of pmulhuw

CPU                             Before   After    Improvement
---------------------------------------------------------------
Granite Rapids (AVX10)           77 ms    75 ms   +2.6% (1.03x)
Emerald Rapids (AVX512)          75 ms    67 ms  +10.7% (1.12x)
Sapphire Rapids (AVX512)         91 ms    85 ms   +6.6% (1.07x)
AMD Venice Zen 6 (AVX512)        30 ms    30 ms    0.0% (1.00x)
AMD Turin Zen 5 (AVX512)         32 ms    32 ms    0.0% (1.00x)
AMD Genoa Zen 4 (AVX512)         35 ms    36 ms   -2.9% (0.97x)
Skylake-X (AVX512)              119 ms   119 ms    0.0% (1.00x)
Ice Lake (AVX512)                93 ms   104 ms  -11.8% (0.89x)
AMD Milan Zen 3 (AVX2)           43 ms    44 ms   -2.3% (0.98x)
Haswell (AVX2)                  129 ms   138 ms   -7.0% (0.93x)
NVIDIA Grace (SVE2)              42 ms    43 ms   -2.4% (0.98x)
Neoverse-N1 (NEON)               87 ms    87 ms    0.0% (1.00x)
---------------------------------------------------------------


Bug: None
Change-Id: Ia8f310a70c8b1229927fcdf117fe22e131d70ea9
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8330912
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-09-01 12:21:37 -07:00
Frank Barchard
969c96cfb4 BlendPlaneRow_AVX512BW and NEON
CPU / Architecture                 Before (C) After (NEON) Improvement
----------------------------------------------------------------------
Cortex-A53 (Pixel 2 XL Little)        3248 ms       792 ms       4.10x
Cortex-A73 (Pixel 2 XL Big)            432 ms       392 ms       1.10x
Cortex-A55 (Pixel 7 Little)            780 ms       563 ms       1.39x
Cortex-A78 (Pixel 7 Mid)               254 ms       170 ms       1.49x
Cortex-X1 (Pixel 7 Big)                158 ms       129 ms       1.22x
Cortex-A510 (Galaxy S22 Little)        816 ms       441 ms       1.85x
Cortex-A710 (Galaxy S22 Mid)           270 ms       129 ms       2.09x
Cortex-X2 (Galaxy S22 Big)             116 ms        80 ms       1.45x
Cortex-A510 (Galaxy S23 Little)        723 ms       373 ms       1.94x
Cortex-A715 (Galaxy S23 Mid)           183 ms       119 ms       1.54x
Cortex-X3 (Galaxy S23 Big)             122 ms        72 ms       1.69x
Lumix C1 Pro (PD2509 Little)           246 ms       156 ms       1.58x
Lumix C1 Premium (PD2509 Mid)          211 ms       112 ms       1.88x
Lumix C1 Ultra (PD2509 Big)             82 ms        50 ms       1.64x
Oryon-v3M (OnePlus Mid)                233 ms       150 ms       1.55x
Oryon-v3L (OnePlus Big)                103 ms        85 ms       1.21x

On Icelake
Function (1280x720)           C     SSSE3     AVX2   AVX-512BW    Gain
----------------------------------------------------------------------
BlendPlane               901 ms    165 ms   135 ms      115 ms   1.17x
I420Blend               1398 ms    287 ms   198 ms      187 ms   1.06x


Bug: 546077674
Change-Id: I189c44cc757c0e26838a7b6fdb2db1cbe5f96f20
TAG=agy
CONV=0f82c25c-616e-4bb3-beeb-981decb0f40c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8297264
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-08-26 17:45:34 -07:00
Frank Barchard
8d7ed8af35 Fix undeclared register clobbers in x86 and NEON assembly
List of affected functions:
- ARGBToAB64Row_SSSE3 (row_gcc.cc): add xmm3 clobber
- ARGBToAB64Row_AVX2 (row_gcc.cc): add xmm3 clobber
- ARGBToAB64Row_NEON (row_neon64.cc): add v5, v6, v7 clobbers
- ARGBToUV444MatrixRow_NEON (row_neon.cc): add q13 clobber
- ARGBSepiaRow_NEON_DotProd (row_neon64.cc): add v23 clobber
- I422ToRGB24Row_NEON (row_neon.cc): remove dead d6 mutation
- I422ToRGB565Row_NEON (row_neon.cc): remove dead d6 mutation
- MergeAR64Row_NEON (row_neon.cc, row_neon64.cc): add q14, v30 clobbers
- MergeXR30Row_AVX2 (row_gcc.cc): add xmm6 clobber
- MergeXR64Row_NEON (row_neon.cc, row_neon64.cc): add q14, v30 clobbers
- NV12ToRGB24Row_NEON (row_neon.cc): remove dead d6 mutation
- NV12ToRGB565Row_NEON (row_neon.cc): remove dead d6 mutation
- NV21ToRGB24Row_NEON (row_neon.cc): remove dead d6 mutation
- RGBToUV444MatrixRow_NEON (row_neon.cc): add q13 clobber
- ScaleRowDown2Box_SSSE3 (scale_gcc.cc): add xmm4 clobber
- ScaleRowDown2Box_AVX2 (scale_gcc.cc): add xmm4 clobber
- SobelToPlaneRow_SSE2 (row_gcc.cc): remove dead xmm5 mutation
- UYVYToARGBRow_SSSE3 (row_gcc.cc): add xmm6, xmm7 clobbers

Test: ninja -C out/Release libyuv_unittest && ./out/Release/libyuv_unittest
Bug: 489489002
Change-Id: I0a8794be0423ef36d679a45e276738c2e42d2fb8
TAG=agy
CONV=16035e35-dcc9-4b8f-90f7-f17b299bc523
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8258080
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-08-20 20:31:22 -07:00
Frank Barchard
1dac06e8c0 Fix ARM NEON and SVE2 register constraints for ARGBToRGB565DitherRow
- Add register z2 to the inline assembly clobber list in ARGBToRGB565DitherRow_SVE2.
    - Fix operand constraints and register indexes for src_argb, dst_rgb, and width in ARGBToRGB565DitherRow_NEON to properly use '+r' for modified
  operands.

Bug: None
Change-Id: I521c5b37dc37e2bcbe910f72c389144b1491e9dc
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8261579
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-08-14 12:49:04 -07:00
Frank Barchard
eac1ea9744 I410ToI420 use 1 step HalfWidthRow function for UV
On Icelake
Was C+AVX512
I410ToI420_Opt (593 ms)
I412ToI420_Opt (581 ms)
Now AVX512
I410ToI420_Opt (241 ms)
I412ToI420_Opt (227 ms)
 60.28% HalfWidthRow_16To8_AVX512BW
 32.34% Convert16To8Row_AVX512BW

Samsung S25 Oryon
Was C+NEON
I410ToI420_Opt (141 ms)
I412ToI420_Opt (127 ms)
Now NEON
I410ToI420_Opt (89 ms)
I412ToI420_Opt (88 ms)

Vivo X300 lunix c1
Was C+NEON
I410ToI420_Opt (682 ms)
I412ToI420_Opt (679 ms)
With SVE2 (slow)
I410ToI420_Opt (622 ms)
I412ToI420_Opt (584 ms)
 65.59% HalfWidthRow_16To8_SVE2
 26.74% Convert16To8Row_SVE2
Now NEON
I410ToI420_Opt (412 ms)
I412ToI420_Opt (406 ms)

Bug: chromium:531172025
Change-Id: I1732157f6be660d2a01086f21daf85fe7f7d166f
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8230200
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-08-10 18:19:25 -07:00
Frank Barchard
5dc477899b Harden I21xToI420 against oversize heights
I21xToI420 (reached via I210ToI420 / I212ToI420): fix integer overflows
in ScalePlaneVertical_16To8() by switching to HalfRow_16To8.

Add a unit test covering the I21x vertical-scale path. Co-authored-by:
Timothy Nikkel <tnikkel@mozilla.com> Test: libyuv_unittest
--gtest_filter=*.I21xToI420NoHeightOverflow

AMD Zen4
 Was LibYUVConvertTest.I210ToI420_Opt (81 ms)
  30.32% Convert16To8Row_AVX2
  29.81% Convert16To8Row_AVX512BW
  25.72% InterpolateRow_16To8_AVX2

 Now LibYUVConvertTest.I210ToI420_Opt (56 ms)
  41.32% Convert16To8Row_AVX512BW
  40.13% HalfRow_16To8_AVX512BW

Vivo X300 (ARM Lunix C1 Ultra)
 Was LibYUVConvertTest.I210ToI420_Opt (89 ms)
  38.95% InterpolateRow_16To8_NEON
  37.25% Convert16To8Row_NEON

 Now LibYUVConvertTest.I210ToI420_Opt (85 ms)
  47.26% Convert16To8Row_SVE2
  30.39% HalfRow_16To8_SVE2

Bug: chromium:531172025
Change-Id: I23e1215030c40b8577d58617098a8aeec27dd99a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8221883
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-08-08 12:11:18 -07:00
Frank Barchard
7138e0a2a7 Make RGBToY a 1 pass avx512bw
- RGBToARGB use vpermi2q+vpshufb
- direct RGBToY for avx512 and rvv

+----------+----------+-------------+----------+---------+-----------+
| ARGBToY  | ARGBToUV | ARGBToUV444 | RGBToY   | RGBToUV | RGBToUV444|
+----------+----------+-------------+----------+---------+-----------+
| avx512bw | avx512bw | avx512bw    | avx512bw | 2 step  | 2 step    |
| avx2     | avx2     | avx2        | 2 step   | 2 step  | 2 step    |
| ssse3    | ssse3    | ssse3       | 2 step   | 2 step  | 2 step    |
| dot      | i8mm     | i8mm        | dot      | neon    | neon      |
| sve2     | sve2     | -           | -        | -       | -         |
| sme      | sme      | -           | -        | -       | -         |
| rvv      | rvv      | rvv         | rvv      | rvv     | rvv       |
+----------+----------+-------------+----------+---------+-----------+


Bug: 42280902
Change-Id: I9f83bf3039431f9fb5391bd7d9eb393e186d6bcf
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8175442
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-08-03 17:53:19 -07:00
Frank Barchard
0148582bb8 Change all 1 use wrappers to matrix calls
Bug: 42280902
Change-Id: Ieccb1e8eeaec3064fc5d36d2f1233fd38eb2a128
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8177647
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-07-31 17:29:30 -07:00
Frank Barchard
1a746db4ce Remove unused wrappers for 'matrix' functions
Bug: 42280902
Change-Id: Idbc757e10d1bcf276ce00dbdd07a39f4ad01a5af
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8177664
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-07-30 19:03:49 -07:00
Frank Barchard
4be798d7c5 BGRAToI420 use BgraConstants for a direct conversion using AVX512BW
row win (msvc)
Was C/SSSE3
BGRAToARGB_Opt (594 ms)
BGRAToARGB_Endswap_Opt (609 ms)
BGRAToI420_Opt (122 ms)

Now AVX2
BGRAToARGB_Opt (100 ms)
BGRAToARGB_Endswap_Opt (99 ms)
BGRAToI420_Opt (115 ms)

Clang/GCC AVX512BW
BGRAToARGB_Opt (86 ms)
BGRAToARGB_Endswap_Opt (91 ms)
BGRAToI420_Opt (110 ms)


Bug: 42280902
Change-Id: I52cb2b0cacea8f2f0b138ec3cc521185dbef8595
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7905821
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-06-08 12:21:47 -07:00
Frank Barchard
4b4e68b372 ABGRToJ420 call ARGBToI420Matrix
- Standardize libyuv ARGB-family (ARGB, ABGR, RGBA, BGRA) to YUV conversion by utilizing the generic MatrixRow architecture and explicit ArgbConstants.
- Consolidated ARGBToI420, ABGRToI420, BGRAToI420, and RGBAToI420 as wrappers for ARGBToI420Matrix.
- Refactored ABGRToJ420, ABGRToJ422, and ABGRToI422 to use generic matrix functions.
- Added matrix-based versions for NV21, I400, YUY2, and UYVY.
- Updated RAW and RGB24 to I420/I422/I444 dispatchers to use MatrixRow logic and explicit constants.
- Fixed parameter swap bugs in ARGBToI422, ARGBToJ422, and ABGRToJ422.
- Fixed a bug in the generic C implementation of matrix row functions ensuring all 4 channels are processed correctly for all ARGB-family formats.
- Moved kShuffleAARRGGBB in row_gcc.cc to the top of the libyuv namespace for visibility.
- Cleaned up redundant format-specific row implementations.

Bug: libyuv:42280902
Change-Id: I67ffa4c476abc0d2dcc4650510d7bda91b65988e
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7830291
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-08 15:23:30 -07:00
Frank Barchard
5a17753597 libyuv: Optimize Convert8To8Row_NEON for 32-bit ARM
Benchmark (Convert8To8Plane 1280x720, 1000 repeats):

32-bit: 106 ms -> 44 ms
64-bit: 52 ms (unchanged)
Bug: libyuv:42280902
Change-Id: I389a482f93404984759ef6223d7d191579d3578d
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7812450
Reviewed-by: Justin Green <greenjustin@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-04 13:00:21 -07:00
Frank Barchard
2143edfa7a ARGBToUVMatrixRow_NEON arm32 reimplemented for GCC
Bug: libyuv:508639302
Change-Id: Ib120373d799c66926a64c980873034be262d8848
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7810481
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Justin Green <greenjustin@google.com>
2026-05-04 11:38:45 -07:00
Frank Barchard
f2ac6db694 RAWToNV21 using SME, SVE, I8MM or Neon
Pixel 9 Now SVE2 2 pass LibYUVConvertTest.RAWToNV21_Opt (364 ms)
 31.76% libyuv::ARGBToUVMatrixRow_SVE_SC()
 30.38% RAWToARGBRow_SVE2
 26.81% ARGBToYMatrixRow_NEON_DotProd
  3.26% MergeUVRow_NEON

Was NEON 1 pass LibYUVConvertTest.RAWToJNV21_Opt (295 ms)
 44.14% RAWToYJRow_NEON
 41.91% RAWToUVJRow_NEON
  5.11% MergeUVRow_NEON

Clang on Intel Skylake clang [ OK ] LibYUVConvertTest.RAWToJNV21_Opt
(301 ms) visual c (row_win) [ OK ] LibYUVConvertTest.RAWToJNV21_Opt
(2056 ms)

clang [ OK ] LibYUVConvertTest.RAWToJNV21_Opt (275 ms) visual c [ OK ]
LibYUVConvertTest.RAWToJNV21_Opt (365 ms)

Bug: libyuv:42280902
Change-Id: Iaba558ebe96ce6b9881ee9335ba72b8aac390cde
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7802432
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
2026-04-29 13:11:04 -07:00
Frank Barchard
d445250d8b Replace RAWToY/RGB24ToY with RGBToYMatrix
Bug: libyuv:42280902
Change-Id: I6ddebd492036c416550fc045eb39493dea73246b
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7784094
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-04-21 17:11:14 -07:00
Frank Barchard
59ca5d8074 Fix parameter names and comments for ARGB/BGRA/RGBA/ABGR functions
In all functions that start with ARGB, BGRA, RGBA or ABGR in the include/libyuv/ headers, make sure the parameter variable name has the same 4 letters, but lower case, and the comment before the function should have the same matching name. Then make sure the implementation in source/ folder has the same variable names.

Change-Id: Idadbbbb993156eea16e318719f4888cb3bed5f6a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7760057
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-13 18:28:37 -07:00
Dale Curtis
1170363ce5 Add Gemini implementation for NEON32 RGB to YUV matrix operations
These are about 25% faster than the C versions.

Bug: libyuv:42280902

Change-Id: I8b298670ee5f3ed5db35527fc41d6d9a51b020a1
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7573682
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
2026-03-23 16:30:44 -07:00
Frank Barchard
48943bb378 Convert8To16 use VPSRLW instead of VPMULHUW for better lunarlake performance
- MCA says old version was 4 cycles and new version is 2.5 cycles/loop
- lunarlake is the only known cpu
mca -mcpu=lunarlake 100 iterations

Was vpmulhu
  Iterations:        100
  Instructions:      1200
  Total Cycles:      426
  Total uOps:        1200

  Dispatch Width:    8
  uOps Per Cycle:    2.82
  IPC:               2.82
  Block RThroughput: 4.0

Now vpsrlw
  Iterations:        100
  Instructions:      1200
  Total Cycles:      279
  Total uOps:        1400

  Dispatch Width:    8
  uOps Per Cycle:    5.02
  IPC:               4.30
  Block RThroughput: 2.5

Bug: None
Change-Id: I5a49e1cf1ed3dfb59fe9861a871df9862417c6a6
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6697745
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2025-08-04 12:42:50 -07:00
Frank Barchard
889613683a Add hybrid detect for Intel laptop cpus
- Add +i8mm build option for sve ARGBToUV which uses usdot
- util/cpuid Get cpu count (windows, macos, linux)
- For each x86 cpu, detect hybrid (e-core)
- Includes a comment fix for ubsan unittest
- Bump version
- Apply clang format to util/*.c as well as all *.cc/*.h

Bug: 424637372
Change-Id: I08310e18051fff62c9e4e4a10d1e4361871119ac
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6635640
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2025-06-13 13:22:54 -07:00
Frank Barchard
9f9b5cf660 ARGBToUV allow 32 bit x86 build
- make width loop count on stack
- set YMM constants in its own asm block
- make struct for shuffle and add constants
- disable clang format on row_neon.cc function

Bug: 413781394
Change-Id: I263f6862cb7589dc31ac65d118f7ebeb65dbb24a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6495259
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2025-04-28 12:11:00 -07:00
Frank Barchard
0c07032182 clang format applies to git repo
Bug: None
Change-Id: Ida65a0033e8c783230cadf6912416ffd9bbf90e1
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6393515
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2025-03-25 11:49:25 -07:00
Frank Barchard
c060118bea ARGBToJ444 use 256 for fixed point scale UV
- use negative coefficients for UV to allow -128
- change shift to truncate instead of round for UV
- adapt all row_gcc RGB to UV into matrix functions
- add -DLIBYUV_ENABLE_ROWWIN to allow clang on Windows to use row_win.cc

Bug: 381138208
Change-Id: I6016062c859faf147a8a2cdea6c09976cbf2963c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6277710
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Reviewed-by: James Zern <jzern@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2025-02-27 13:04:15 -08:00
Frank Barchard
5257ba4db0 Apply clang format
Bug: None
Change-Id: Ibd694d0351966a2b5812445de74bbced9c881a79
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6302317
Reviewed-by: James Zern <jzern@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2025-02-25 11:39:19 -08:00
Frank Barchard
3a7e0ba671 Apply format with no code changes
Bug: None
Change-Id: I8923bacb9af7e7d4f13e210c8b3d7ea6b81568a5
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6301086
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
2025-02-24 23:57:01 -08:00
Frank Barchard
d32d19ccf2 UV subsample on ARM use rounding average of 4 pixels
Performance on Samsung S22 Exynos (SVE2+I8MM+DOTPROD+Neon)
AArch64
ARGBToI400_Opt (168 ms)
ARGBToJ400_Opt (103 ms)
ABGRToJ400_Opt (81 ms)
RGBAToJ400_Opt (82 ms)
RGB24ToJ400_Opt (176 ms)
RAWToJ400_Opt (176 ms)
ABGRToI420_Opt (258 ms)
ARGBToI420_Opt (259 ms)
ARGBToI422_Opt (403 ms)
ARGBToI444_Opt (213 ms)
ARGBToJ420_Opt (257 ms)
ARGBToJ422_Opt (403 ms)
ARGBToJ444_Opt (214 ms)
ABGRToJ420_Opt (255 ms)
ABGRToJ422_Opt (399 ms)
ARGB4444ToI420_Opt (285 ms)
RGB565ToI420_Opt (316 ms)
ARGB1555ToI420_Opt (324 ms)
BGRAToI420_Opt (260 ms)
RAWToI420_Opt (303 ms)
RAWToI444_Opt (303 ms)
RAWToJ420_Opt (335 ms)
RAWToJ444_Opt (308 ms)
RGB24ToI420_Opt (372 ms)
RGB24ToJ420_Opt (365 ms)
RGBAToI420_Opt (259 ms)

AArch32 (Neon)
ARGBToI400_Opt (496 ms)
ARGBToJ400_Opt (478 ms)
ABGRToJ400_Opt (483 ms)
RGBAToJ400_Opt (493 ms)
RGB24ToJ400_Opt (343 ms)
RAWToJ400_Opt (341 ms)
ABGRToI420_Opt (993 ms)
ARGBToI420_Opt (992 ms)
ARGBToI422_Opt (1503 ms)
ARGBToI444_Opt (1257 ms)
ARGBToJ420_Opt (1006 ms)
ARGBToJ422_Opt (1521 ms)
ARGBToJ444_Opt (1267 ms)
ABGRToJ420_Opt (1002 ms)
ABGRToJ422_Opt (1504 ms)
ARGB4444ToI420_Opt (1180 ms)
RGB565ToI420_Opt (1112 ms)
ARGB1555ToI420_Opt (1115 ms)
BGRAToI420_Opt (993 ms)
RAWToI420_Opt (703 ms)
RAWToI444_Opt (1717 ms)
RAWToJ420_Opt (704 ms)
RAWToJ444_Opt (1739 ms)
RGB24ToI420_Opt (703 ms)
RGB24ToJ420_Opt (703 ms)
RGBAToI420_Opt (993 ms)

Bug: 381138208
Change-Id: I33728d5237f357362b0bfc509a9ebe6fe46f45d4
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6228987
Reviewed-by: Ben Weiss <bweiss@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2025-02-04 15:19:19 -08:00
Frank Barchard
b3fd3f3f3b Fix ARGBToUV444Row_NEON
- constants passed in are signed and need to be negated to positive.

Bug: 394127527
Change-Id: I531e475d2ddd4583922d4abef13b9282d002dd7a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6226854
Reviewed-by: Ben Weiss <bweiss@google.com>
2025-02-03 13:33:39 -08:00
Frank Barchard
96f98f6915 ARGBToJ444 and RAWToJ444 NEON
- Pass JPEG matrix to ARGBToUV444MatrixRow_NEON
- Remove NEON unsigned constants in favor of DOTPROD signed constants

Samsung S23:
Was C for UV
  ARGBToJ444_Opt (320 ms)
  RAWToJ444_Opt (411 ms)
Now I8MM
  ARGBToJ444_Opt (196 ms)
  RAWToJ444_Opt (301 ms)
NEON
  ARGBToJ444_Opt (505 ms)
  RAWToJ444_Opt (596 ms)

32 bit ARM NEON
  ARGBToJ444_Opt (1135 ms)
  RAWToJ444_Opt (1546 ms)

Profile of RAWToJ444
  37.72%  ARGBToUVJ444Row_NEON_I8MM
  34.48%  RAWToARGBRow_NEON
  14.65%  ARGBToYJRow_NEON_DotProd

Bug: 390247964
Change-Id: Ia26240bee974a0baf502548f2fc896b193c3006c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6220890
Reviewed-by: Ben Weiss <bweiss@google.com>
2025-01-31 16:46:29 -08:00
Frank Barchard
67f3f17d9a aarch32 J420ToI420
benchmark on medium core
adbrun -- taskset 10 blaze-bin/third_party/libyuv/libyuv_test '--gunit_filter=*J420ToI420*' --gunit_also_run_disabled_tests --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=1000 --libyuv_flags=-1 --libyuv_cpu_info=-1

Now Neon
J420ToI420_Opt (159 ms)
Was C
J420ToI420_Opt (215 ms)

AArch64
J420ToI420_Opt (93 ms)

C version does this:
vld1.8	{d20, d21}, [r6]!
vorr	q12, q8, q8
subs	r4, #16
vmovl.u8	q11, d21
vmovl.u8	q10, d20
vmul.i16	q11, q9, q11
vmul.i16	q10, q9, q10
vsra.u16	q12, q11, #8
vorr	q11, q8, q8
vsra.u16	q11, q10, #8
vmovn.i16	d21, q12
vmovn.i16	d20, q11
vst1.8	{d20, d21}, [r5]!
bne	0x3d9078 <Convert8To8Row_C+0x36> @ imm = #-54

Explanation of above C code
vorr moves 16 into register
vsra does shift + accumulate to that register

Compared to aarch64
instead of mull, C uses movl+mul
instead of uzp2, C uses sra #8 + movn. takes 2 movn vs 1 uzp2
instead of add, C does vorr + sra

Change-Id: I9648f06e52ccbafaecf07bd89f8ffff27565d025
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6189497
Reviewed-by: Justin Green <greenjustin@google.com>
2025-01-22 13:47:09 -08:00
Frank Barchard
e0040eb318 Apply clang format
Bug: None
Change-Id: I0d9db4b384144523e61ae32b6ab3f72e93a0c265
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6138934
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2025-01-02 13:31:20 -08:00
Frank Barchard
595146434a HalfFloat fix SigIll on aarch64
- Remove special case Scale of 1 which used fp16 cvt but requires cpuid
- Port aarch64 to aarch32
- Use C for aarch32 with small (denormal) scale value

Bug: 377693555
Change-Id: I38e207e79ac54907ed6e65118b8109288fddb207
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6043392
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2024-11-22 22:08:00 +00:00
Wan-Teh Chang
3cf54e90d3 Fix -Wmissing-prototypes warnings
Declare functions as static. Declare functions in a header. Include the
header that declares the functions. Delete undeclared and unused
functions ScaleFilterRows_NEON() and ScaleRowUp2_16_NEON(). Delete
unused function ScaleY() in psnr_main.cc.

Change-Id: I182ec30611df83c61ffd01bbab595cd61fb5f1e5
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5778601
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2024-08-12 19:08:24 +00:00
Wan-Teh Chang
e462de319c Fix -Wundef warnings
Change-Id: I803b70f66ca938665ba39b961bdb31625c6bc503
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5758156
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2024-08-02 17:39:59 +00:00
Frank Barchard
616bee5420 Add volatile for gcc inline to avoid being removed
Bug: b/42280943
Change-Id: I4439077a92ffa6dff91d2d10accd5251b76f7544
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5671187
Reviewed-by: David Gao <davidgao@google.com>
2024-07-02 01:25:24 +00:00
George Steed
e6c4b9ad2e [Arm][AArch64] Remove unused ARGBToUVJ444Row_NEON definition
There is no corresponding declaration in a header file and it appears to
be unused, so remove from both the Arm and AArch64.

Change-Id: I4de9fb7ce8e8dff6e76f4a99fdd93c743f92bf18
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5587507
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2024-06-10 18:36:31 +00:00
George Steed
9e223c3fc0 [AArch64] Replace instances of ORR with MOV where possible
The MOV instruction is an alias of ORR where both registers are the
same and should be preferred.

Both ORR and MOV are not zero-cost instructions on all
micro-architectures so there may be better ways to express these
kernels, but this is left for a later commit.

Bug: libyuv:975
Change-Id: I29b7f182a57a61855cb7f8a867691080f153b10b
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5332385
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2024-04-25 20:48:16 +00:00
Frank Barchard
a366ad714a ARGBAttenuate use (a + b + 255) >> 8
- Makes ARM and Intel match and fixes some off by 1 cases
- Add ARGBToUV444MatrixRow_NEON
- Add ConvertFP16ToFP32Column_NEON
- scale_rvv fix intinsic build error
- disable row_win version of ARGBAttenuate/Unattenuate

Bug: libyuv:936, libyuv:956
Change-Id: Ied99aaad3a11a8eb69212b628c58f86ec0723c38
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4617013
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2023-06-16 21:37:53 +00:00
Frank Barchard
157b153b60 Fix tidy warning that uint32_t dither4 should not be const
- Remove const from uint32_t dither4 parameter to fix clang-tidy warning
- Apply clang format
- Bump version
- Remove unused MMI source; superceded by MSA

Bug: None
Change-Id: Id49991db25bca4e99590b415312542d917471c62
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4581882
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2023-06-02 00:42:02 +00:00
Frank Barchard
78d168054b Remove extraneous quote from clobber list
Bug: None
Change-Id: Ie20574d0f9c8c2f074247405b294b49c3406448d
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4568770
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
2023-05-30 09:03:05 +00:00
Justin Green
0e111d2c58 Wrap neon registers in {} for the neon MT2T unpack implementation. Some compilers throw a syntax error otherwise.
Change-Id: Ic169dcfe4d9bb9bf6d0dcae977d6cf510a7a60bf
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4568904
Commit-Queue: Justin Green <greenjustin@google.com>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2023-05-26 17:12:02 +00:00
Frank Barchard
22c7a51452 Fix SplitRGB clobber list to include all registers used
Bug:  None
Change-Id: Icac4becb0537903ab87495fb0e2a2b750e1eca4f
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4563355
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: David Gao <davidgao@google.com>
2023-05-24 21:44:59 +00:00
Frank Barchard
464c51a035 AArch32 YUVTORGB_SETUP use load and dup to avoid modifying pointer
- Allows code to be optimized with clang 17 -flto-thin
- Bump version number to 1864 to allow detection of fix
- Apply clang format to standardize formatting; No impact on code generated

Bug: chromium:1424089
Change-Id: Ib745836b27915a5e4cb1d7d928ee52659360612b
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4370052
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Justin Green <greenjustin@google.com>
2023-03-24 19:32:30 +00:00
Frank Barchard
1a971f8cc3 clang 17 -flto-thin bug fix for Neon YUVtoRGB and ARGBToRGB565Dither
- YUV to RGB AArch32 kRGBCoeffBias rewind pointer
- ARGBToRGB565Dither declare width and source pointers as modified


Bug: chromium:1424089
Change-Id: I987180652331bab16ce27d8d166399a687ee890e
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4370099
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2023-03-24 10:59:40 +00:00
Frank Barchard
3f219a3501 GCC warning fix for MT2T
- Fix redundent assignment compile warning in GCC
- Apply clang-format
- Bump version to 1863

Bug: libyuv:955
Change-Id: If2b6588cd5a7f068a1745fe7763e90caa7277101
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4344729
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
2023-03-16 06:57:20 +00:00
Justin Green
76468711d5 M2T2 Unpack fixes
Fix the algorithm for unpacking the lower 2 bits of M2T2 pixels.

Bug: b:258474032
Change-Id: Iea1d63f26e3f127a70ead26bc04ea3d939e793e3
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4337978
Commit-Queue: Justin Green <greenjustin@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2023-03-14 14:59:26 +00:00
Frank Barchard
0faf8dd0e0 Fix for DivideRow_NEON functions
- was dup of 8h but mul of 4s.  now use umull

Bug: libyuv:951
Change-Id: If6cb01f5f006c2235886b81ce120642d7e24a9bb
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4166563
Reviewed-by: Justin Green <greenjustin@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2023-01-18 00:30:05 +00:00
Frank Barchard
541d8efbaf Fix for divide row functions used by P010ToI010
Bug: libyuv:951
Change-Id: Id323656cb6f99b1be0be7aaa854d3cc15feeba69
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4166562
Reviewed-by: Justin Green <greenjustin@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2023-01-17 21:40:45 +00:00
Frank Barchard
3abd6f36b6 Casting for scale functions
- MT2T support for source strides added, but only works for positive values.
- Reduced casting in row_common - one cast per assignment.
- scaling functions use intptr_t for intermediate calculations, then cast strides to ptrdiff_t

Bug: libyuv:948, b/257266635, b/262468594
Change-Id: I0409a0ce916b777da2a01c0ab0b56dccefed3b33
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4102203
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Justin Green <greenjustin@google.com>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Ernest Hua <ernesthua@google.com>
2022-12-15 22:34:22 +00:00
Frank Barchard
610e0cdead MT2T Warning fixes for fuchsia
Bug: b/258474032, b/257266635
Change-Id: Ic5cbbc60e2e1463361e359a2fe3e97976c1ea929
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4081348
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Justin Green <greenjustin@google.com>
2022-12-06 19:54:40 +00:00